Keywords: Earthquake engineering, spectra, temporary bridge, seismic, earthquake, response acceleration, return period, AASHTO Abstract: This report presents a simple and conservative method for ...

Phase 2, conducted in the early 2000s, seismically upgraded the Golden Gate Bridge's south side. Seismic work is now in the fourth phase, focusing on the main towers and side spans. September 22, 2025 ...

Beginning Monday, March 24, the westbound lane of the Murray Street Bridge will be closed to vehicles and bicycles. The closure will allow essential work to begin on the Murray Street Bridge Seismic ...

The Oregon Department of Transportation shared new details about the Center Street Bridge seismic retrofit at Monday night’s Salem City Council meeting. Construction is now anticipated to start ...

A construction crane boom atop the Murray Street Bridge this week echoes the shapes of sailboat masts in the Santa Cruz Harbor below. The bridge passes over the harbor and connects East Cliff Drive in ...

SANTA CRUZ — After years of stops and starts, the Murray Street Bridge Seismic Retrofit and Barrier replacement project in Santa Cruz is underway and will begin to affect traffic next month. The ...

After being delayed since the early 2000s, the onset of the Murray Street Bridge Seismic Retrofit and Barrier Replacement ...

Upgrading the Center Street Bridge to withstand a major earthquake may cost $100 million, exceeding the $60 million budgeted by state lawmakers barely two years ago. Retrofitting the span that carries ...

PORTLAND, Ore. — In Tom McCall Waterfront Park on the northwest side of the Burnside Bridge, engineers began drilling a 125-foot test shaft as part of crucial seismic testing for Portland's earthquake ...